diff --git a/pom.xml b/pom.xml
index f782b07..c4d2fac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <dependency>
       <groupId>org.apache.solr</groupId>
       <artifactId>solr-core</artifactId>
-      <version>6.1.0</version>
+      <version>8.4.0</version>
       <scope>provided</scope>
     </dependency>
     <dependency>